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chromium


Ion clustering data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chromium ion (1+) + chromium = (Chromium ion (1+) bullet chromium)

By formula: Cr+ + Cr = (Cr+ bullet Cr)

Quantity Value Units Method Reference Comment
Deltar150. ± 20.kJ/molICRCDHouriet and Vulpius, 1989gas phase
Deltar180.kJ/molEIHilpert and Ruthardt, 1987gas phase; from IP(Cr2) by EI and D(Cr2) by Knudsen cell, and IP(Cr)
Deltar180. ± 20.kJ/molKC-MSHilpert and Ruthardt, 1987gas phase; data as evaluated by Houriet and Vulpius, 1989

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
125. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet chromium) + chromium = (Chromium ion (1+) bullet 2chromium)

By formula: (Cr+ bullet Cr) + Cr = (Cr+ bullet 2Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
194. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 2chromium) + chromium = (Chromium ion (1+) bullet 3chromium)

By formula: (Cr+ bullet 2Cr) + Cr = (Cr+ bullet 3Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
100. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 3chromium) + chromium = (Chromium ion (1+) bullet 4chromium)

By formula: (Cr+ bullet 3Cr) + Cr = (Cr+ bullet 4Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
215. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 4chromium) + chromium = (Chromium ion (1+) bullet 5chromium)

By formula: (Cr+ bullet 4Cr) + Cr = (Cr+ bullet 5Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
171. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 5chromium) + chromium = (Chromium ion (1+) bullet 6chromium)

By formula: (Cr+ bullet 5Cr) + Cr = (Cr+ bullet 6Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
246. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 6chromium) + chromium = (Chromium ion (1+) bullet 7chromium)

By formula: (Cr+ bullet 6Cr) + Cr = (Cr+ bullet 7Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
217. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 7chromium) + chromium = (Chromium ion (1+) bullet 8chromium)

By formula: (Cr+ bullet 7Cr) + Cr = (Cr+ bullet 8Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
249. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 8chromium) + chromium = (Chromium ion (1+) bullet 9chromium)

By formula: (Cr+ bullet 8Cr) + Cr = (Cr+ bullet 9Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
232. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 9chromium) + chromium = (Chromium ion (1+) bullet 10chromium)

By formula: (Cr+ bullet 9Cr) + Cr = (Cr+ bullet 10Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
248. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 10chromium) + chromium = (Chromium ion (1+) bullet 11chromium)

By formula: (Cr+ bullet 10Cr) + Cr = (Cr+ bullet 11Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
258. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 11chromium) + chromium = (Chromium ion (1+) bullet 12chromium)

By formula: (Cr+ bullet 11Cr) + Cr = (Cr+ bullet 12Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
289. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 12chromium) + chromium = (Chromium ion (1+) bullet 13chromium)

By formula: (Cr+ bullet 12Cr) + Cr = (Cr+ bullet 13Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
294. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 13chromium) + chromium = (Chromium ion (1+) bullet 14chromium)

By formula: (Cr+ bullet 13Cr) + Cr = (Cr+ bullet 14Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
267. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 14chromium) + chromium = (Chromium ion (1+) bullet 15chromium)

By formula: (Cr+ bullet 14Cr) + Cr = (Cr+ bullet 15Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
282. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 15chromium) + chromium = (Chromium ion (1+) bullet 16chromium)

By formula: (Cr+ bullet 15Cr) + Cr = (Cr+ bullet 16Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
273. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 16chromium) + chromium = (Chromium ion (1+) bullet 17chromium)

By formula: (Cr+ bullet 16Cr) + Cr = (Cr+ bullet 17Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
208. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 17chromium) + chromium = (Chromium ion (1+) bullet 18chromium)

By formula: (Cr+ bullet 17Cr) + Cr = (Cr+ bullet 18Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
233. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 18chromium) + chromium = (Chromium ion (1+) bullet 19chromium)

By formula: (Cr+ bullet 18Cr) + Cr = (Cr+ bullet 19Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
289. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

(Chromium ion (1+) bullet 19chromium) + chromium = (Chromium ion (1+) bullet 20chromium)

By formula: (Cr+ bullet 19Cr) + Cr = (Cr+ bullet 20Cr)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
253. CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Houriet and Vulpius, 1989
Houriet, R.; Vulpius, T., Formation of Metal Cluster Ions by Gas - Phase Ion - Molecule Reactions: the Bond Energies of Cr2+ and Mn2+, Chem. Phys. Lett., 1989, 154, 5, 454, https://doi.org/10.1016/0009-2614(89)87130-1 . [all data]

Hilpert and Ruthardt, 1987
Hilpert, K.; Ruthardt, K., Determination of the dissociation energy of the Cr2 molecule, Ber. Bunsen-Ges. Phys. Chem., 1987, 91, 724. [all data]

Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L., Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [all data]


Notes

Go To: Top, Ion clustering data, References